Pith Number

pith:YBGDSSBM

pith:2020:YBGDSSBMGOJ3IFX5TLXLJCO72C

not attested not anchored not stored refs pending

Periods and classifications of RR Lyrae stars in the globular cluster M15

Alexei V. Filippenko, Andrew M. Hoffman, Benjamin E. Stahl, Weikang Zheng, Yukei S. Murakami

arxiv:2008.09778 v2 · 2020-08-22 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBGDSSBMGOJ3IFX5TLXLJCO72C}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:06:12.298002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c04c39482c3393b416fd9aeeb489dfd084eb2268f4d3fe7be4c14881b182d076

Aliases

arxiv: 2008.09778 · arxiv_version: 2008.09778v2 · doi: 10.48550/arxiv.2008.09778 · pith_short_12: YBGDSSBMGOJ3 · pith_short_16: YBGDSSBMGOJ3IFX5 · pith_short_8: YBGDSSBM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YBGDSSBMGOJ3IFX5TLXLJCO72C \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c04c39482c3393b416fd9aeeb489dfd084eb2268f4d3fe7be4c14881b182d076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b4e9bc7d2ac4618f4a91a38c5e45463b7e5862648f86553853b0d2d2f26543c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-08-22T08:20:58Z",
    "title_canon_sha256": "575df76e5733b86b0aac6c7bbf60c1a844ffc0540a73a2535dd6ce44766dd6cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.09778",
    "kind": "arxiv",
    "version": 2
  }
}